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OMK customers may wish to upgrade MongoDB to 3.2 and realize the efficiencies of Wired Tiger.  This example uses CentOS because this is the prevailing Linux distribution used by our customer base.

Steps

• Ensure MondgoDB Authentication Is Set Correctly
• Backup Current Database
• Stop running services
• Install MongoDB 3.2
• Provision MongoDB 3.2
• Restart OMK Services and Test

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[root@opmantek ~]# /usr/local/omk/bin/setup_mongodb.pl 

Backup Current Database

Create Backup Directory

[root@opmantek /]# mkdir data/mongodump

Dump MongoDB

[root@opmantek ~]# mongodump -u=opUserRW -p=op42flow42 --out=/data/mongodump

Stop Running Services

Stop Running OMK Services

[root@opmantek ~]# service opconfigd stop
Stopping opconfig daemon opconfigd                         [  OK  ]
[root@opmantek ~]# service opeventsd stop
Stopping opevents daemon opeventsd                         [  OK  ]
[root@opmantek ~]# service omkd stop
Stopping Opmantek Webserver opmantek.exe                   [  OK  ]
[root@opmantek ~]# service mongodopflowd stop
StoppingShutting down mongodflowd:                                       [  OK  ]

Backup Current Database

Create Backup Directory

[root@opmantek /]# mkdir data/mongodump

Dump MongoDB

[root@opmantek ~]# mongodump -u=opUserRW -p=op42flow42 --out=/data/mongodump

Stop MongoDB

OK  ]
[root@opmantek ~]# service opflowdmongod stop
Shutting down flowd:Stopping mongod:                                           [  OK  ]

Install MongoDB 3.2

Update MongoDB Repository File

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Log into each OMK Application via the GUI and verify the data is still there.  If everythis is as it should be then delete /data/mongodump